221301124043 has 4 divisors (see below), whose sum is σ = 234318837240. Its totient is φ = 208283410848.

The previous prime is 221301124027. The next prime is 221301124061. The reversal of 221301124043 is 340421103122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 221301124043 - 2⁴ = 221301124027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221301124003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508856573 + ... + 6508856606.

It is an arithmetic number, because the mean of its divisors is an integer number (58579709310).

Almost surely, 2^221301124043 is an apocalyptic number.

221301124043 is a deficient number, since it is larger than the sum of its proper divisors (13017713197).

221301124043 is a wasteful number, since it uses less digits than its factorization.

221301124043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13017713196.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221301124043 its reverse (340421103122), we get a palindrome (561722227165).

The spelling of 221301124043 in words is "two hundred twenty-one billion, three hundred one million, one hundred twenty-four thousand, forty-three".